Year	annual %
1971	5.20722635996151
1972	2.4242424264637776
1973	1.5779092716285987
1974	5.7281553154926
1975	-7.9889806973592385
1976	0.5988023957519459
1977	11.252354025532469
1978	14.684722842749352
1979	10.664206632930245
1980	18.57285760004983
1981	11.76470588446088
1982	-3.0122116605528504
1983	16.256295461912146
1984	26.955475324321853
1985	15.416043585933664
1986	9.3605890993868
1987	8.829155696016471
1988	8.730341786013511
1989	9.3268083262179
1990	16.95229745774401
1991	1.4426960605376848
1992	6.670825315178291
1993	5.556768950619187
1994	7.749486245209241
1995	12.985784563748396
1996	7.858647179516993
1997	8.397940706277069
1998	7.494683157441457
1999	6.175655826967457
2000	3.845810232051221
2001	-3.943634289471021
2002	7.268386410015438
2003	13.750049658825887
2004	5.816366932667421
2005	-11.223166214475839
2006	23.605798283917622
2007	7.123427659634302
2008	8.979816871784479
2009	-8.157763215437654
2010	6.83547135623688
2011	8.572699128131347
2012	2.3637474885036056
2013	6.963246631944116
2014	7.80109480695134
2015	3.971715703273617
2016	6.572236066225827
2017	7.054539013815813
2018	8.668006242158668
2019	7.298335745150268
2020	-32.908828775292136
2021	37.68719228731311
2022	13.906676380088754
2023	3.9727958464015103